/* ===================================
   URSUS-IA - Styles CSS
   =================================== */

/* --- Variables CSS --- */
:root {
    /* Couleurs principales */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #f97316;
    --secondary-dark: #ea580c;

    /* Couleurs neutres */
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max: 1200px;

    /* Borders & Shadows */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-300);
    background-color: var(--dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--white);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.underline-red {
    text-decoration: underline;
    text-decoration-color: #ef4444;
    text-underline-offset: 6px;
    text-decoration-thickness: 3px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
}

.btn-light {
    background: var(--white);
    color: var(--dark);
}

.btn-light:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-400);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-cta {
    padding: 10px 20px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    padding: calc(var(--section-padding) + 80px) 0 var(--section-padding);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-400);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 0.9rem;
}

.trust-item svg {
    width: 16px;
    height: 16px;
    color: var(--secondary);
}

.hero-visual {
    position: relative;
}

.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mascot {
    width: 100%;
    max-width: 450px;
    filter: drop-shadow(0 20px 40px rgba(99, 102, 241, 0.3));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--dark-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    animation: floatCard 4s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: 1.5rem;
}

.floating-card .card-text {
    font-weight: 600;
    color: var(--white);
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -5%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    left: 5%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* --- Section Styles --- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--gray-400);
    font-size: 1.1rem;
}

/* --- Problem Section --- */
.problem-section {
    padding: var(--section-padding) 0;
    background: var(--dark-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.problem-card {
    padding: 32px;
    background: var(--dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.problem-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--gray-500);
}

/* --- Stats Section --- */
.stats-section {
    padding: 60px 0;
    background: var(--gradient-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-card {
    color: var(--white);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    display: block;
    margin-top: 8px;
    opacity: 0.9;
    font-size: 1rem;
}

/* --- Solution Section --- */
.solution-section {
    padding: var(--section-padding) 0;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-visual {
    position: relative;
    padding: 40px;
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
}

.n8n-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.n8n-badge strong {
    color: var(--secondary);
    font-size: 1.1rem;
}

.workflow-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 40px 0;
}

.workflow-node {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.8rem;
    animation: pulse 2s ease-in-out infinite;
}

.node-1 { animation-delay: 0s; }
.node-2 { animation-delay: 0.5s; background: var(--primary-dark); }
.node-3 { animation-delay: 1s; background: var(--secondary); }

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.workflow-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    position: relative;
}

.workflow-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--secondary);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.solution-text h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.solution-text > p {
    color: var(--gray-400);
    margin-bottom: 24px;
}

.solution-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.solution-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-300);
}

.solution-benefits svg {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
    flex-shrink: 0;
}

/* --- Services Section --- */
.services-section {
    padding: var(--section-padding) 0;
    background: var(--dark-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 32px;
    background: var(--dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-light);
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-500);
}

/* --- Method Section --- */
.method-section {
    padding: var(--section-padding) 0;
}

.method-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.method-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
}

.method-step {
    display: flex;
    gap: 40px;
    padding: 40px 0;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--gray-400);
    margin-bottom: 16px;
}

.step-outcome {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(249, 115, 22, 0.1);
    color: var(--secondary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
}

/* --- Pricing Section --- */
.pricing-section {
    padding: var(--section-padding) 0;
    background: var(--dark-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    position: relative;
    padding: 40px;
    background: var(--dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.pricing-name {
    font-size: 2rem;
    margin-bottom: 8px;
}

.pricing-description {
    color: var(--gray-500);
}

.pricing-features {
    flex: 1;
    margin-bottom: 32px;
}

.pricing-features ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--gray-300);
}

.pricing-features svg {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

/* --- Testimonials Section --- */
.testimonials-section {
    padding: var(--section-padding) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    background: var(--dark-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(99, 102, 241, 0.2);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--gray-300);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-weight: 700;
    color: var(--white);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    color: var(--white);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* --- About Section --- */
.about-section {
    padding: var(--section-padding) 0;
    background: var(--dark-light);
}

.about-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-photo {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.about-text .section-tag {
    margin-bottom: 12px;
}

.about-text h2 {
    margin-bottom: 24px;
}

.about-intro {
    font-size: 1.2rem;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.about-text > p {
    color: var(--gray-500);
    margin-bottom: 12px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.value-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.value-item strong {
    color: var(--white);
    font-size: 1rem;
}

.value-item span {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* --- CTA Section --- */
.cta-section {
    padding: var(--section-padding) 0;
    background: var(--gradient-primary);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 500;
}

.cta-features svg {
    width: 20px;
    height: 20px;
}

/* --- Footer --- */
.footer {
    padding: 60px 0 30px;
    background: var(--gray-900);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--gray-500);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-contact a {
    color: var(--gray-400);
}

.footer-contact a:hover {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--gray-400);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--gray-500);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--gray-500);
}

.footer-legal a:hover {
    color: var(--gray-300);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-mascot {
        max-width: 300px;
    }

    .floating-card {
        display: none;
    }

    .solution-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding-top: 120px;
    }

    .solution-visual {
        padding: 24px;
        text-align: center;
    }

    .workflow-animation {
        padding: 20px 0;
    }

    .workflow-node {
        width: 55px;
        height: 55px;
        font-size: 0.65rem;
    }

    .workflow-line {
        width: 30px;
    }

    .method-timeline::before {
        left: 20px;
    }

    .method-step {
        gap: 24px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .solution-visual {
        padding: 16px;
    }

    .n8n-badge {
        margin-bottom: 16px;
        font-size: 0.8rem;
    }

    .workflow-animation {
        padding: 16px 0;
    }

    .workflow-node {
        width: 45px;
        height: 45px;
        font-size: 0.55rem;
    }

    .workflow-line {
        width: 20px;
    }

    .cta-features {
        flex-direction: column;
        gap: 16px;
    }
}

/* --- Animations on Scroll --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Mobile Menu Open State --- */
.nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-cta.open {
    display: inline-flex;
    position: absolute;
    top: calc(100% + 200px);
    left: 24px;
    right: 24px;
}